Curve.java
| Index Score | ||
|---|---|---|
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artofillusion.object |
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Art of Illusion |
View: Reasons, Metrics, Source Code
These are the metrics that contribute to the Enerjy Score for this file, ranked by impact. So the metrics listed at the top influence the score to a greater extent that the metrics listed at the bottom.
| Metric | Description | |
|---|---|---|
| LOOPS | Number of loops |  |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| JAVA0177 | JAVA0177 Variable declaration missing initializer | |
| JAVA0067 | JAVA0067 Array descriptor on identifier name | |
| OPERANDS | Number of operands | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| PARAMS | Number of formal parameter declarations | |
| CYCLOMATIC | Cyclomatic complexity | |
| JAVA0035 | JAVA0035 Missing braces in for statement | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| PROGRAM_LENGTH | Halstead program length | |
| LOGICAL_LINES | Number of statements | |
| OPERATORS | Number of operators | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| RETURNS | Number of return points from functions | |
| LOC | Lines of code | |
| FUNCTIONS | Number of function declarations | |
| COMPARISONS | Number of comparison operators | |
| DECL_COMMENTS | Comments in declarations | |
| ELOC | Effective lines of code | |
| LINES | Number of lines in the source file | |
| SIZE | Size of the file in bytes | |
| BLOCKS | Number of blocks | |
| UNIQUE_OPERANDS | Number of unique operands | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| JAVA0115 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0076 | JAVA0076 Use of magic number | |
| JAVA0078 | JAVA0078 Floating point values compared with == | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| UNIQUE_OPERATORS | Number of unique operators | |
| WHITESPACE | Number of whitespace lines | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| EXITS | Procedure exits | |
| JAVA0259 | JAVA0259 Return of collection/array field | |
| JAVA0130 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0256 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0138 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0003 | JAVA0003 Minimize use of on-demand (.*) imports | |
| NEST_DEPTH | Maximum nesting depth | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/* Copyright (C) 1999-2008 by Peter Eastman
This program is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details. */
package artofillusion.object;
import artofillusion.*;
import artofillusion.texture.*;
import artofillusion.animation.*;
import artofillusion.math.*;
import artofillusion.ui.*;
import buoy.widget.*;
import java.io.*;
/** The Curve class represents a continuous curve defined by a series of control vertices.
It may be either open or closed, and may either interpolate or approximate the control
vertices. There is also a smoothness parameter associated with each vertex. */
public class Curve extends Object3D implements Mesh
{
protected MeshVertex vertex[];
protected float smoothness[];
protected boolean closed;
protected int smoothingMethod;
protected WireframeMesh cachedWire;
protected BoundingBox bounds;
private static final Property PROPERTIES[] = new Property [] {
new Property(Translate.text("menu.smoothingMethod"), new Object[] {
Translate.text("menu.none"), Translate.text("menu.interpolating"), Translate.text("menu.approximating")
}, Translate.text("menu.shading")),
new Property(Translate.text("menu.closedEnds"), true)
};
public Curve(Vec3 v[], float smoothness[], int smoothingMethod, boolean isClosed)
{
int i;
vertex = new MeshVertex [v.length];
for (i = 0; i < v.length; i++)
vertex[i] = new MeshVertex(v[i]);
this.smoothness = smoothness;
this.smoothingMethod = smoothingMethod;
closed = isClosed;
}
public Object3D duplicate()
{
Vec3 v[] = new Vec3 [vertex.length];
float s[] = new float [vertex.length];
for (int i = 0; i < vertex.length; i++)
{
v[i] = new Vec3(vertex[i].r);
s[i] = smoothness[i];
}
return new Curve(v, s, smoothingMethod, closed);
}
public void copyObject(Object3D obj)
{
Curve cv = (Curve) obj;
MeshVertex v[] = cv.getVertices();
vertex = new MeshVertex [v.length];
smoothness = new float [v.length];
for (int i = 0; i < vertex.length; i++)
{
vertex[i] = new MeshVertex(new Vec3(v[i].r));
smoothness[i] = cv.smoothness[i];
}
smoothingMethod = cv.smoothingMethod;
setClosed(cv.closed);
clearCachedMesh();
}
protected void findBounds()
{
double minx, miny, minz, maxx, maxy, maxz;
Vec3 v, points[];
int i;
getWireframeMesh();
points = cachedWire.vert;
minx = maxx = points[0].x;
miny = maxy = points[0].y;
minz = maxz = points[0].z;
for (i = 1; i < points.length; i++)
{
v = points[i];
if (v.x < minx) minx = v.x;
if (v.x > maxx) maxx = v.x;
if (v.y < miny) miny = v.y;
if (v.y > maxy) maxy = v.y;
if (v.z < minz) minz = v.z;
if (v.z > maxz) maxz = v.z;
}
bounds = new BoundingBox(minx, maxx, miny, maxy, minz, maxz);
}
public BoundingBox getBounds()
{
if (bounds == null)
findBounds();
return bounds;
}
public MeshVertex[] getVertices()
{
return vertex;
}
public float[] getSmoothness()
{
return smoothness;
}
/** Get the smoothing method being used for this mesh. */
public int getSmoothingMethod()
{
return smoothingMethod;
}
/** Move a single control vertex. */
public void movePoint(int which, Vec3 pos)
{
vertex[which].r = pos;
clearCachedMesh();
}
/** Get a list of the positions of all vertices which define the mesh. */
public Vec3 [] getVertexPositions()
{
Vec3 v[] = new Vec3 [vertex.length];
for (int i = 0; i < v.length; i++)
v[i] = new Vec3(vertex[i].r);
return v;
}
/** Set new positions for all vertices. */
public void setVertexPositions(Vec3 v[])
{
for (int i = 0; i < v.length; i++)
vertex[i].r = v[i];
clearCachedMesh();
}
/** Set the smoothing method. */
public void setSmoothingMethod(int method)
{
smoothingMethod = method;
clearCachedMesh();
}
/** Set the smoothness values for all vertices. */
public void setSmoothness(float s[])
{
for (int i = 0; i < s.length; i++)
smoothness[i] = s[i];
clearCachedMesh();
}
/** Set both the positions and smoothness values for all points. */
public void setShape(Vec3 v[], float smoothness[])
{
if (v.length != vertex.length)
vertex = new MeshVertex [v.length];
for (int i = 0; i < v.length; i++)
vertex[i] = new MeshVertex(v[i]);
this.smoothness = smoothness;
clearCachedMesh();
}
public void setClosed(boolean isClosed)
{
closed = isClosed;
clearCachedMesh();
}
public boolean isClosed()
{
return closed;
}
public void setSize(double xsize, double ysize, double zsize)
{
Vec3 size = getBounds().getSize();
double xscale, yscale, zscale;
if (size.x == 0.0)
xscale = 1.0;
else
xscale = xsize / size.x;
if (size.y == 0.0)
yscale = 1.0;
else
yscale = ysize / size.y;
if (size.z == 0.0)
zscale = 1.0;
else
zscale = zsize / size.z;
for (int i = 0; i < vertex.length; i++)
{
vertex[i].r.x *= xscale;
vertex[i].r.y *= yscale;
vertex[i].r.z *= zscale;
}
clearCachedMesh();
}
/** Clear the cached mesh. */
protected void clearCachedMesh()
{
cachedWire = null;
bounds = null;
}
public WireframeMesh getWireframeMesh()
{
int i, from[], to[];
Curve subdiv;
Vec3 vert[];
if (cachedWire != null)
return cachedWire;
if (smoothingMethod == NO_SMOOTHING)
subdiv = this;
else
subdiv = subdivideCurve().subdivideCurve();
vert = new Vec3 [subdiv.vertex.length];
for (i = 0; i < vert.length; i++)
vert[i] = subdiv.vertex[i].r;
if (closed)
{
from = new int [vert.length];
to = new int [vert.length];
from[vert.length-1] = vert.length-1;
to[vert.length-1] = 0;
}
else
{
from = new int [vert.length-1];
to = new int [vert.length-1];
}
for (i = 0; i < vert.length-1; i++)
{
from[i] = i;
to[i] = i+1;
}
return (cachedWire = new WireframeMesh(vert, from, to));
}
/** Return a new Curve object which has been subdivided once to give a finer approximation of the curve shape. */
public Curve subdivideCurve()
{
if (vertex.length < 2)
return (Curve) duplicate();
if (vertex.length == 2)
{
Vec3 newpos[] = new Vec3 [] {new Vec3(vertex[0].r), vertex[0].r.plus(vertex[1].r).times(0.5), new Vec3(vertex[1].r)};
float news[] = new float [] {smoothness[0], (smoothness[0]+smoothness[1])*0.5f, smoothness[1]};
return new Curve(newpos, news, smoothingMethod, closed);
}
Vec3 v[] = new Vec3 [vertex.length];
for (int i = 0; i < v.length; i++)
v[i] = new Vec3(vertex[i].r);
Vec3 newpos[];
float news[];
int i, j;
if (closed)
{
newpos = new Vec3 [v.length*2];
news = new float [smoothness.length*2];
if (smoothingMethod == INTERPOLATING)
{
newpos[0] = v[0];
newpos[1] = calcInterpPoint(v, smoothness, v.length-1, 0, 1, 2);
for (i = 2, j = 1; i < newpos.length; i++)
{
if (i%2 == 0)
newpos[i] = v[j];
else
{
newpos[i] = calcInterpPoint(v, smoothness, j-1, j, (j+1)%v.length, (j+2)%v.length);
j++;
}
}
}
else
{
newpos[0] = calcApproxPoint(v, smoothness, v.length-1, 0, 1);
for (i = 1; i < v.length-1; i++)
{
newpos[i*2-1] = v[i].plus(v[i-1]).times(0.5);
newpos[i*2] = calcApproxPoint(v, smoothness, i-1, i, i+1);
}
newpos[i*2-1] = v[i].plus(v[i-1]).times(0.5);
newpos[i*2] = calcApproxPoint(v, smoothness, i-1, i, 0);
newpos[i*2+1] = v[0].plus(v[i]).times(0.5);
}
for (i = 0; i < smoothness.length; i++)
{
news[i*2] = Math.min(smoothness[i]*2.0f, 1.0f);
news[i*2+1] = 1.0f;
}
}
else
{
newpos = new Vec3 [v.length*2-1];
news = new float [smoothness.length*2-1];
if (smoothingMethod == INTERPOLATING)
{
newpos[0] = v[0];
newpos[1] = calcInterpPoint(v, smoothness, 0, 0, 1, 2);
for (i = 2, j = 1; i < newpos.length-2; i++)
{
if (i%2 == 0)
newpos[i] = v[j];
else
{
newpos[i] = calcInterpPoint(v, smoothness, j-1, j, j+1, j+2);
j++;
}
}
newpos[i] = calcInterpPoint(v, smoothness, j-1, j, j+1, j+1);
newpos[i+1] = v[j+1];
}
else
{
newpos[0] = v[0];
for (i = 1; i < v.length-1; i++)
{
newpos[i*2-1] = v[i].plus(v[i-1]).times(0.5);
newpos[i*2] = calcApproxPoint(v, smoothness, i-1, i, i+1);
}
newpos[i*2-1] = v[i].plus(v[i-1]).times(0.5);
newpos[i*2] = v[i];
}
for (i = 0; i < smoothness.length-1; i++)
{
news[i*2] = Math.min(smoothness[i]*2.0f, 1.0f);
news[i*2+1] = 1.0f;
}
news[i*2] = Math.min(smoothness[i]*2.0f, 1.0f);
}
return new Curve(newpos, news, smoothingMethod, closed);
}
/** Return a new Curve object which has been subdivided the specified number of times to give a finer approximation of
the curve shape. */
public Curve subdivideCurve(int times)
{
Curve c = this;
for (int i = 0; i < times; i++)
c = c.subdivideCurve();
return c;
}
/** The following two routines are used by subdivideCurve to calculate new point positions
for interpolating and approximating subdivision. v is the array of current points, s is
the array of smoothness values for them, and i, j, k, and m are the indices of the points
from which the new point will be calculated. */
public static Vec3 calcInterpPoint(Vec3 v[], float s[], int i, int j, int k, int m)
{
double w1, w2, w3, w4;
w1 = -0.0625*s[j];
w2 = 0.5-w1;
w4 = -0.0625*s[k];
w3 = 0.5-w4;
return new Vec3 (w1*v[i].x + w2*v[j].x + w3*v[k].x + w4*v[m].x,
w1*v[i].y + w2*v[j].y + w3*v[k].y + w4*v[m].y,
w1*v[i].z + w2*v[j].z + w3*v[k].z + w4*v[m].z);
}
public static Vec3 calcApproxPoint(Vec3 v[], float s[], int i, int j, int k)
{
double w1 = 0.125*s[j], w2 = 1.0-2.0*w1;
return new Vec3 (w1*v[i].x + w2*v[j].x + w1*v[k].x,
w1*v[i].y + w2*v[j].y + w1*v[k].y,
w1*v[i].z + w2*v[j].z + w1*v[k].z);
}
public boolean canSetTexture()
{
return false;
}
public int canConvertToTriangleMesh()
{
if (closed)
return EXACTLY;
return CANT_CONVERT;
}
public TriangleMesh convertToTriangleMesh(double tol)
{
TriangleMesh mesh = triangulateCurve();
if (mesh != null)
mesh = TriangleMesh.optimizeMesh(mesh);
return mesh;
}
private TriangleMesh triangulateCurve()
{
Vec3 v[] = new Vec3 [vertex.length], size = getBounds().getSize();
Vec2 v2[] = new Vec2 [vertex.length];
int i, j, current, count, min;
int index[] = new int [vertex.length], faces[][] = new int [vertex.length-2][3];
double dir, dir2;
boolean inside;
// Find the largest dimension of the line, and project the vertices onto the other two.
if (size.x > size.y)
{
if (size.y > size.z)
j = 2;
else
j = 1;
}
else
{
if (size.x > size.z)
j = 2;
else
j = 0;
}
for (i = 0; i < vertex.length; i++)
{
v[i] = vertex[i].r;
v2[i] = vertex[i].r.dropAxis(j);
}
// Select the vertex to start from.
min = 0;
for (i = 1; i < v2.length; i++)
{
if (v2[i].x < v2[min].x)
min = i;
}
for (i = 0; i < index.length; i++)
index[i] = i;
current = min;
do
{
dir = triangleDirection(v2, index, v2.length, current);
if (dir == 0.0)
{
current = (current+1)%index.length;
if (current == min)
return null; // All of the points lie on a straight line.
}
} while (dir == 0.0);
// Now add the triangles one at a time.
count = index.length;
for (i = 0; i < vertex.length-2; i++)
{
// Determine whether a triangle centered at the current vertex will face in the
// correct direction. If not, or if the triangle will contain another vertex,
// then try the next vertex.
j = current;
do
{
dir2 = triangleDirection(v2, index, count, current);
inside = containsPoints(v2, index, count, current);
if (dir2*dir < 0.0 || inside)
{
current = (current+1)%count;
if (current == j)
return null; // Cannot triangulate the projected curve.
}
} while (dir2*dir < 0.0 || inside);
// Add the face, and remove the vertex from the list.
if (current == 0)
faces[i][0] = index[count-1];
else
faces[i][0] = index[current-1];
faces[i][1] = index[current];
if (current == count-1)
faces[i][2] = index[0];
else
faces[i][2] = index[current+1];
for (j = current; j < count-1; j++)
index[j] = index[j+1];
count--;
current = (current+1)%count;
}
TriangleMesh mesh = new TriangleMesh(v, faces);
TriangleMesh.Vertex vert[] = (TriangleMesh.Vertex []) mesh.getVertices();
for (i = 0; i < vert.length; i++)
vert[i].smoothness = smoothness[i];
mesh.setSmoothingMethod(smoothingMethod);
return mesh;
}
/** This is used by the above method. Given the list of remaining vertices, it finds the
edges to either size of the specified vertex and returns their cross product. This tells
which way a triangle centered at the vertex will face. */
double triangleDirection(Vec2 v2[], int index[], int count, int which)
{
Vec2 va, vb;
if (which == 0)
va = v2[index[which]].minus(v2[index[count-1]]);
else
va = v2[index[which]].minus(v2[index[which-1]]);
if (which == count-1)
vb = v2[index[which]].minus(v2[index[0]]);
else
vb = v2[index[which]].minus(v2[index[which+1]]);
return va.cross(vb);
}
/** This is used by convertToTriangleMesh. Given the list of remaining vertices, it
determines whether a triangle centered at the specified vertex would contain any
other vertices. */
boolean containsPoints(Vec2 v2[], int index[], int count, int which)
{
Vec2 va, vb, v;
double a, b, c;
int i, prev, next;
if (which == 0)
prev = count-1;
else
prev = which-1;
if (which == count-1)
next = 0;
else
next = which+1;
va = v2[index[which]].minus(v2[index[prev]]);
vb = v2[index[which]].minus(v2[index[next]]);
a = va.cross(vb);
va.scale(1.0/a);
vb.scale(1.0/a);
for (i = 0; i < count; i++)
if (i != prev && i != which && i != next)
{
v = v2[index[i]].minus(v2[index[which]]);
b = vb.cross(v);
c = v.cross(va);
a = 1 - b - c;
if (a >= 0.0 && a <= 1.0 && b >= 0.0 && b <= 1.0 && c >= 0.0 && c <= 1.0)
return true;
}
return false;
}
/** Normal vectors do not make sense for a curve, since it does not define a surface. */
public Vec3 [] getNormals()
{
Vec3 norm[] = new Vec3[vertex.length];
for (int i = 0; i < norm.length; i++)
norm[i] = Vec3.vz();
return norm;
}
public boolean isEditable()
{
return true;
}
/** Get the skeleton. This returns null, since Curves cannot have skeletons. */
public Skeleton getSkeleton()
{
return null;
}
/** Set the skeleton. This does nothing, since Curves cannot have skeletons. */
public void setSkeleton(Skeleton s)
{
}
public void edit(EditingWindow parent, ObjectInfo info, Runnable cb)
{
CurveEditorWindow ed = new CurveEditorWindow(parent, "Curve object '"+ info.getName() +"'", info, cb, true);
ed.setVisible(true);
}
public void editGesture(final EditingWindow parent, ObjectInfo info, Runnable cb, ObjectInfo realObject)
{
CurveEditorWindow ed = new CurveEditorWindow(parent, "Gesture '"+ info.getName() +"'", info, cb, false);
ViewerCanvas views[] = ed.getAllViews();
for (int i = 0; i < views.length; i++)
((MeshViewer) views[i]).setScene(parent.getScene(), realObject);
ed.setVisible(true);
}
/** Get a MeshViewer which can be used for viewing this mesh. */
public MeshViewer createMeshViewer(MeshEditController controller, RowContainer options)
{
return new CurveViewer(controller, options);
}
/** The following two methods are used for reading and writing files. The first is a
constructor which reads the necessary data from an input stream. The other writes
the object's representation to an output stream. */
public Curve(DataInputStream in, Scene theScene) throws IOException, InvalidObjectException
{
super(in, theScene);
int i;
short version = in.readShort();
if (version != 0)
throw new InvalidObjectException("");
vertex = new MeshVertex [in.readInt()];
smoothness = new float [vertex.length];
for (i = 0; i < vertex.length; i++)
{
vertex[i] = new MeshVertex(new Vec3(in));
smoothness[i] = in.readFloat();
}
closed = in.readBoolean();
smoothingMethod = in.readInt();
}
public void writeToFile(DataOutputStream out, Scene theScene) throws IOException
{
super.writeToFile(out, theScene);
int i;
out.writeShort(0);
out.writeInt(vertex.length);
for (i = 0; i < vertex.length; i++)
{
vertex[i].r.writeToFile(out);
out.writeFloat(smoothness[i]);
}
out.writeBoolean(closed);
out.writeInt(smoothingMethod);
}
public Property[] getProperties()
{
return (Property []) PROPERTIES.clone();
}
public Object getPropertyValue(int index)
{
if (index == 0)
{
if (smoothingMethod == 0)
return PROPERTIES[0].getAllowedValues()[0];
else
return PROPERTIES[0].getAllowedValues()[smoothingMethod-1];
}
return Boolean.valueOf(closed);
}
public void setPropertyValue(int index, Object value)
{
if (index == 0)
{
Object values[] = PROPERTIES[0].getAllowedValues();
for (int i = 0; i < values.length; i++)
if (values[i].equals(value))
setSmoothingMethod(i == 0 ? 0 : i+1);
}
else
{
setClosed(((Boolean) value).booleanValue());
}
}
/** Return a Keyframe which describes the current pose of this object. */
public Keyframe getPoseKeyframe()
{
return new CurveKeyframe(this);
}
/** Modify this object based on a pose keyframe. */
public void applyPoseKeyframe(Keyframe k)
{
CurveKeyframe key = (CurveKeyframe) k;
for (int i = 0; i < vertex.length; i++)
{
vertex[i].r.set(key.vertPos[i]);
smoothness[i] = key.vertSmoothness[i];
}
cachedWire = null;
bounds = null;
}
public boolean canConvertToActor()
{
return true;
}
/** Curves cannot be keyframed directly, since any change to mesh topology would
cause all keyframes to become invalid. Return an actor for this mesh. */
public Object3D getPosableObject()
{
Curve m = (Curve) duplicate();
return new Actor(m);
}
/** This class represents a pose of a Curve. */
public static class CurveKeyframe extends MeshGesture
{
Vec3 vertPos[];
float vertSmoothness[];
Curve curve;
public CurveKeyframe(Curve curve)
{
this.curve = curve;
vertPos = new Vec3 [curve.vertex.length];
vertSmoothness = new float [curve.vertex.length];
for (int i = 0; i < vertPos.length; i++)
{
vertPos[i] = new Vec3(curve.vertex[i].r);
vertSmoothness[i] = curve.smoothness[i];
}
}
private CurveKeyframe()
{
}
/** Get the Mesh this Gesture belongs to. */
protected Mesh getMesh()
{
return curve;
}
/** Get the positions of all vertices in this Gesture. */
protected Vec3 [] getVertexPositions()
{
return vertPos;
}
/** Set the positions of all vertices in this Gesture. */
protected void setVertexPositions(Vec3 pos[])
{
vertPos = pos;
}
/** Get the skeleton for this pose (or null if it doesn't have one). */
public Skeleton getSkeleton()
{
return null;
}
/** Set the skeleton for this pose. */
public void setSkeleton(Skeleton s)
{
}
/** Create a duplicate of this keyframe. */
public Keyframe duplicate()
{
return duplicate(curve);
}
public Keyframe duplicate(Object owner)
{
CurveKeyframe k = new CurveKeyframe();
if (owner instanceof Curve)
k.curve = (Curve) owner;
else
k.curve = (Curve) ((ObjectInfo) owner).getObject();
k.vertPos = new Vec3 [vertPos.length];
k.vertSmoothness = new float [vertSmoothness.length];
for (int i = 0; i < vertPos.length; i++)
{
k.vertPos[i] = new Vec3(vertPos[i]);
k.vertSmoothness[i] = vertSmoothness[i];
}
return k;
}
/** Get the list of graphable values for this keyframe. */
public double [] getGraphValues()
{
return new double [0];
}
/** Set the list of graphable values for this keyframe. */
public void setGraphValues(double values[])
{
}
/** These methods return a new Keyframe which is a weighted average of this one and one,
two, or three others. These methods should never be called, since Curves
can only be keyframed by converting them to Actors. */
public Keyframe blend(Keyframe o2, double weight1, double weight2)
{
return null;
}
public Keyframe blend(Keyframe o2, Keyframe o3, double weight1, double weight2, double weight3)
{
return null;
}
public Keyframe blend(Keyframe o2, Keyframe o3, Keyframe o4, double weight1, double weight2, double weight3, double weight4)
{
return null;
}
/** Modify the mesh surface of a Gesture to be a weighted average of an arbitrary list of Gestures,
averaged about this pose. This method only modifies the vertex positions and texture parameters,
not the skeleton, and all vertex positions are based on the offsets from the joints they are
bound to.
@param average the Gesture to modify to be an average of other Gestures
@param p the list of Gestures to average
@param weight the weights for the different Gestures
*/
public void blendSurface(MeshGesture average, MeshGesture p[], double weight[])
{
super.blendSurface(average, p, weight);
CurveKeyframe avg = (CurveKeyframe) average;
for (int i = 0; i < weight.length; i++)
{
CurveKeyframe key = (CurveKeyframe) p[i];
for (int j = 0; j < vertSmoothness.length; j++)
avg.vertSmoothness[j] += (float) (weight[i]*(key.vertSmoothness[j]-vertSmoothness[j]));
}
// Make sure all smoothness values are within legal bounds.
for (int i = 0; i < vertSmoothness.length; i++)
{
if (avg.vertSmoothness[i] < 0.0)
avg.vertSmoothness[i] = 0.0f;
if (avg.vertSmoothness[i] > 1.0)
avg.vertSmoothness[i] = 1.0f;
}
}
/** Determine whether this keyframe is identical to another one. */
public boolean equals(Keyframe k)
{
if (!(k instanceof CurveKeyframe))
return false;
CurveKeyframe key = (CurveKeyframe) k;
for (int i = 0; i < vertPos.length; i++)
{
if (!vertPos[i].equals(key.vertPos[i]))
return false;
if (vertSmoothness[i] != key.vertSmoothness[i])
return false;
}
return true;
}
/** Update the texture parameter values when the texture is changed. */
public void textureChanged(TextureParameter oldParams[], TextureParameter newParams[])
{
}
/** Get the value of a per-vertex texture parameter. */
public ParameterValue getTextureParameter(TextureParameter p)
{
return null;
}
/** Set the value of a per-vertex texture parameter. */
public void setTextureParameter(TextureParameter p, ParameterValue value)
{
}
/** Write out a representation of this keyframe to a stream. */
public void writeToStream(DataOutputStream out) throws IOException
{
out.writeShort(0); // version
out.writeInt(vertPos.length);
for (int i = 0; i < vertPos.length; i++)
{
vertPos[i].writeToFile(out);
out.writeFloat(vertSmoothness[i]);
}
}
/** Reconstructs the keyframe from its serialized representation. */
public CurveKeyframe(DataInputStream in, Object parent) throws IOException, InvalidObjectException
{
this();
short version = in.readShort();
if (version != 0)
throw new InvalidObjectException("");
curve = (Curve) parent;
int numVert = in.readInt();
vertPos = new Vec3 [numVert];
vertSmoothness = new float [numVert];
for (int i = 0; i < numVert; i++)
{
vertPos[i] = new Vec3(in);
vertSmoothness[i] = in.readFloat();
}
}
}
}
The table below shows all metrics for Curve.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 111.00 | Number of blocks | |
| BLOCK_COMMENT | 9.00 | Number of block comment lines | |
| COMMENTS | 78.00 | Comment lines | |
| COMMENT_DENSITY | 0.15 | Comment density | |
| COMPARISONS | 98.00 | Number of comparison operators | |
| CYCLOMATIC | 167.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 40.00 | Comments in declarations | |
| DOC_COMMENT | 61.00 | Number of javadoc comment lines | |
| ELOC | 511.00 | Effective lines of code | |
| EXEC_COMMENTS | 6.00 | Comments in executable code | |
| EXITS | 50.00 | Procedure exits | |
| FUNCTIONS | 66.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 157.03 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 185.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 1.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 1.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 1.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 0.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 0.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 0.00 | JAVA0014 Class with only static members has non-private constructor | |
| JAVA0015 | 0.00 | JAVA0015 Package class contains public nested type | |
| JAVA0016 | 0.00 | JAVA0016 Abstract class contains public constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 0.00 | JAVA0018 Method name does not have required form | |
| JAVA0019 | 0.00 | JAVA0019 Interface name does not have required form | |
| JAVA0020 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 0.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 0.00 | JAVA0029 Private method not used | |
| JAVA0030 | 0.00 | JAVA0030 Private field not used | |
| JAVA0031 | 0.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 0.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 54.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 16.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 0.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 0.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 0.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 0.00 | JAVA0043 Inner class does not use outer class | |
| JAVA0044 | 0.00 | JAVA0044 Serializable class with no instance variables | |
| JAVA0045 | 0.00 | JAVA0045 Serializable class with only transient fields | |
| JAVA0046 | 0.00 | JAVA0046 Name of class not derived from Exception ends with 'Exception' | |
| JAVA0047 | 0.00 | JAVA0047 Serializable class derives from invalid base class | |
| JAVA0048 | 0.00 | JAVA0048 Name of class derived from Exception does not end with 'Exception' | |
| JAVA0049 | 0.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 0.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 0.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 0.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 26.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 0.00 | JAVA0071 Strings compared with == | |
| JAVA0073 | 0.00 | JAVA0073 Integer division in floating-point context | |
| JAVA0074 | 0.00 | JAVA0074 Use of Object.notify() | |
| JAVA0075 | 0.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 10.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 0.00 | JAVA0077 Private field not used in declaring class | |
| JAVA0078 | 6.00 | JAVA0078 Floating point values compared with == | |
| JAVA0079 | 0.00 | JAVA0079 Use of instance to reference static member | |
| JAVA0080 | 0.00 | JAVA0080 Import declaration not used | |
| JAVA0081 | 0.00 | JAVA0081 Boolean literal in comparison | |
| JAVA0082 | 1.00 | JAVA0082 Unnecessary widening cast | |
| JAVA0083 | 0.00 | JAVA0083 Unnecessary instanceof test | |
| JAVA0084 | 0.00 | JAVA0084 Should use compound assignment operator | |
| JAVA0085 | 0.00 | JAVA0085 Use of sun.* class | |
| JAVA0087 | 0.00 | JAVA0087 Use of Thread.sleep() | |
| JAVA0089 | 0.00 | JAVA0089 Use of restricted package | |
| JAVA0092 | 0.00 | JAVA0092 Use of restricted type | |
| JAVA0093 | 0.00 | JAVA0093 Redundant assignment | |
| JAVA0094 | 0.00 | JAVA0094 Field hides a superclass field | |
| JAVA0095 | 0.00 | JAVA0095 Uninitialized private field | |
| JAVA0096 | 0.00 | JAVA0096 Field in nested class hides outer field | |
| JAVA0098 | 2.00 | JAVA0098 Minimize use of implicit field initializers | |
| JAVA0100 | 0.00 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0101 | 0.00 | JAVA0101 Unnecessary modifier for field in interface | |
| JAVA0102 | 0.00 | JAVA0102 Last statement in finalize() not super.finalize() | |
| JAVA0103 | 0.00 | JAVA0103 Explicit call to finalize() | |
| JAVA0104 | 0.00 | JAVA0104 finalize() only calls super.finalize() | |
| JAVA0105 | 0.00 | JAVA0105 Duplicate import declaration | |
| JAVA0106 | 0.00 | JAVA0106 Unnecessary import from current package | |
| JAVA0108 | 25.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 20.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 1.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 1.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 5.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 6.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 0.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 0.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 0.00 | JAVA0123 Use all three components of for loop | |
| JAVA0125 | 0.00 | JAVA0125 Continue statement with label | |
| JAVA0126 | 0.00 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0128 | 0.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 2.00 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0131 | 0.00 | JAVA0131 Compatible method does not override base | |
| JAVA0132 | 0.00 | JAVA0132 Method overload with compatible signature | |
| JAVA0133 | 0.00 | JAVA0133 Non-synchronized method overrides synchronized method | |
| JAVA0135 | 0.00 | JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method' | |
| JAVA0136 | 2.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 2.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 0.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 0.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 0.00 | JAVA0150 java.lang.Error (or subclass) thrown | |
| JAVA0153 | 0.00 | JAVA0153 Inefficient conversion of integer to string | |
| JAVA0159 | 0.00 | JAVA0159 Inefficient conversion of string to integer | |
| JAVA0160 | 0.00 | JAVA0160 Method does not throw specified exception | |
| JAVA0161 | 0.00 | JAVA0161 Conditional wait() not in loop | |
| JAVA0163 | 0.00 | JAVA0163 Empty statement | |
| JAVA0165 | 0.00 | JAVA0165 Conflicting return statement in finally block | |
| JAVA0166 | 0.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 0.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 0.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 47.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 0.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 3.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 3.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 0.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 2.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 0.00 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| JAVA0278 | 0.00 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0279 | 0.00 | JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method | |
| JAVA0280 | 0.00 | JAVA0280 IllegalMonitorStateException caught | |
| JAVA0281 | 0.00 | JAVA0281 Iterator.next() not called in loop | |
| JAVA0282 | 0.00 | JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext() | |
| JAVA0283 | 0.00 | JAVA0283 Control variable not updated in loop body | |
| JAVA0284 | 0.00 | JAVA0284 Explicit garbage collection | |
| JAVA0285 | 0.00 | JAVA0285 Dereference of potentially null variable | |
| JAVA0286 | 0.00 | JAVA0286 Dereference of null variable | |
| JAVA0287 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 950.00 | Number of lines in the source file | |
| LINE_COMMENT | 8.00 | Number of line comments | |
| LOC | 734.00 | Lines of code | |
| LOGICAL_LINES | 404.00 | Number of statements | |
| LOOPS | 42.00 | Number of loops | |
| NEST_DEPTH | 5.00 | Maximum nesting depth | |
| OPERANDS | 1977.00 | Number of operands | |
| OPERATORS | 3431.00 | Number of operators | |
| PARAMS | 87.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 5408.00 | Halstead program length | |
| PROGRAM_VOCAB | 445.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 98.00 | Number of return points from functions | |
| SIZE | 26567.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 384.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 61.00 | Number of unique operators | |
| WHITESPACE | 138.00 | Number of whitespace lines | |